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package pktline
import (
"bytes"
"io/ioutil"
"strings"
. "gopkg.in/check.v1"
)
type EncoderSuite struct{}
var _ = Suite(&EncoderSuite{})
func (s *EncoderSuite) TestEncode(c *C) {
line, err := Encode([]byte("a\n"))
c.Assert(err, IsNil)
c.Assert(string(line), Equals, "0006a\n")
}
func (s *EncoderSuite) TestEncodeNil(c *C) {
line, err := Encode(nil)
c.Assert(err, IsNil)
c.Assert(string(line), Equals, "0000")
}
func (s *EncoderSuite) TestEncodeOverflow(c *C) {
_, err := Encode(bytes.Repeat([]byte{'0'}, MaxLength+1))
c.Assert(err, Equals, ErrOverflow)
}
func (s *EncoderSuite) TestEncodeFromString(c *C) {
line, err := EncodeFromString("a\n")
c.Assert(err, IsNil)
c.Assert(string(line), Equals, "0006a\n")
}
func (s *EncoderSuite) TestEncoder(c *C) {
e := NewEncoder()
c.Assert(e.AddLine("a"), IsNil)
e.AddFlush()
c.Assert(e.AddLine("b"), IsNil)
over := strings.Repeat("0", MaxLength+1)
c.Assert(e.AddLine(over), Equals, ErrOverflow)
r := e.Reader()
a, _ := ioutil.ReadAll(r)
c.Assert(string(a), Equals, "0006a\n00000006b\n")
}
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